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Finding the Fourth Proportional to 367,170.84, 550,631.52 and 127,228.74

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Solution

The fourth proportional to 367,170.84, 550,631.52 and 127,228.74 is: 190,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,170.84 : 550,631.52 = 127,228.74 : x
  2. Step 2: Convert to fraction form
    367,170.84/550,631.52 = 127,228.74/x
  3. Step 3: Cross multiply
    367,170.84x = 550,631.52 × 127,228.74
  4. Step 4: Simplify right side
    367,170.84x = 70,056,154,493.88
  5. Step 5: Solve for x
    x = 70,056,154,493.88/367,170.84
  6. Step 6: Final answer
    x = 190,799.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.